Home / 869,124,740.70-1,303,687,111.05-460,978,052.70

Finding the Fourth Proportional to 869,124,740.70, 1,303,687,111.05 and 460,978,052.70

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Solution

The fourth proportional to 869,124,740.70, 1,303,687,111.05 and 460,978,052.70 is: 691,467,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,124,740.70 : 1,303,687,111.05 = 460,978,052.70 : x
  2. Step 2: Convert to fraction form
    869,124,740.70/1,303,687,111.05 = 460,978,052.70/x
  3. Step 3: Cross multiply
    869,124,740.70x = 1,303,687,111.05 × 460,978,052.70
  4. Step 4: Simplify right side
    869,124,740.70x = 600,971,145,781,917,568
  5. Step 5: Solve for x
    x = 600,971,145,781,917,568/869,124,740.70
  6. Step 6: Final answer
    x = 691,467,079.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.